On or about Friday, March 10 at 10 p.m. through Saturday, March 11 at 8 a.m. (OR Saturday, March 11 through Sunday, March 12, alternate dates if necessary), the eastbound Dulles Greenway at mile marker 11.0 near the Old Ox Road overpass will be detoured to eastbound Old Ox Road (Route 606) while Dulles Corridor Metrorail Project crews construct a large concrete span for the Silver Line aerial guideway over the eastbound lanes. Traffic to Dulles International Airport, the Dulles International Airport Access Highway and the eastbound Dulles Toll Road will follow eastbound Old Ox Road to southbound Route 28.

On subsequent nights throughout spring months, double left lane or double right lane closures will occur on the eastbound Dulles Greenway from 10 p.m. to 5 a.m., with intermittent 20 minute stoppages after midnight as needed.

Police will be present for safety. Drivers should exercise caution, pay attention to barrier and signage, and obey all police and flagger instructions.

All work is weather dependent and subject to change.

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A 24/7 emergency hotline is available for Dulles Corridor Metrorail Project construction-related issues: 844-385-7245. For general project information: www.dullesmetro.com or 703-572-0506.